11373543 has 12 divisors (see below), whose sum is σ = 16811080. Its totient is φ = 7405776.

The previous prime is 11373521. The next prime is 11373547. The reversal of 11373543 is 34537311.

11373543 is a `hidden beast` number, since 113 + 7 + 3 + 543 = 666.

It is not a de Polignac number, because 11373543 - 2⁸ = 11373287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11373547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14308 + ... + 15081.

Almost surely, 2^11373543 is an apocalyptic number.

11373543 is a deficient number, since it is larger than the sum of its proper divisors (5437537).

11373543 is a wasteful number, since it uses less digits than its factorization.

11373543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29438 (or 29435 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 11373543 is about 3372.4683838399. The cubic root of 11373543 is about 224.8874696550.

The spelling of 11373543 in words is "eleven million, three hundred seventy-three thousand, five hundred forty-three".